WebMD's overview of the many types and causes of anemia.
Tags: Anemia, iron deficiency, oxygen, hemoglobin, red blood cells, hematology, sickle cell, fatigue, symptoms, causes, treatments, hemolytic, detection, diagnosis, pernicious, aplastic, types, blood loss, decreased faulty production, poor diet, malnutrition, vitamin b-12, b 12, folate, megaloblastic, bone marrow, stem cells, thalassemia, condition, iron-deficiency